Perry had performed in the city on April 23, 25 and 26, kicking off her Lifetimes Tour at the CDMX Arena Katy Perry joined in on the Viva La Mayhem fun! On Monday, April 28, the "Teenage Dream" singer ...

Lady Gaga starts off her international tour by reading an emotional letter to her fans, followed by the debut of 'Blade of Grass,' which she wrote for her fiancé, Michael Polansky. Katy Perry, who's ...

Pop star Katy Perry, as she performed in Melbourne, Australia, earlier this year. (Cameron Spencer/AFL Photos/Getty Images) Musicians and other celebrities will appear at Vice President Kamala ...

The California Gurls hitmaker was spotted in the crowd at Gaga's concert in Mexico City, Mexico on Sunday night. Shortly after dancing to the Poker Face singer's hits, Katy took to her Instagram ...

Those who signed support background checks. — -- More than 150 entertainers and executives, including Katy Perry, Lady Gaga and Billy Joel, have signed a special “Open Letter to Congress” urging ...

What to know about beloved Palm Springs queer women's event The Dinah The Dinah was founded by Mariah Hanson in 1991, and has hosted concerts by stars such as Lady Gaga, Katy Perry, Pat Benatar and ...

Katy Perry joined in on the Viva La Mayhem fun! On Monday, April 28, the "Teenage Dream" singer shared pictures and videos from Lady Gaga's Sunday night concert in Mexico City at Estadio GNP Seguros.

Katy Perry loves sharing her woman’s world with Lady Gaga. In the crowd at Mother Monster’s ¡Viva La Mayhem! concert in Mexico City Saturday (April 26), the “Firework” singer was one of tens of ...